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author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-10-01 10:59:35 +0000 |
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committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-10-01 10:59:35 +0000 |
commit | d6adc68dc9c74a33b3ca012af171e2d59f0dea10 (patch) | |
tree | 02733c38f0e7b130bfa050f769d6309a6562979a /lib | |
parent | 8d5d5d5609e94b4ab75512c8d036d049fd1af6c2 (diff) |
lib/shell/command-processor.rb (Shell#[]): prevent unknown command
`FileTest.send(command, ...)` allows to call not only FileTest-related
methods but also any method that belongs to Kernel, Object, etc.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67810 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib')
-rw-r--r-- | lib/shell/command-processor.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/shell/command-processor.rb b/lib/shell/command-processor.rb index 00357e06fd..82af76dd5e 100644 --- a/lib/shell/command-processor.rb +++ b/lib/shell/command-processor.rb @@ -180,6 +180,9 @@ class Shell top_level_test(command, file1) end else + unless FileTest.methods(false).include?(command.to_sym) + raise "unsupported command: #{ command }" + end if file2 FileTest.send(command, file1, file2) else |